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A Novel Dual Polarized Dual Band Antenna for Wireless Backscattering Applications
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Author(s): P. Ravivarma (Syed Ammal Engineering College, India), T. Sudha (Sri Manakula Vinayagar Engineering College, Puducherry, India), E. Sathish (Vellore Institute of Technology, Chennai, India)and G. S. Annie Grace Vimala (Saveetha School of Engineering, SIMATS, India)
Copyright: 2022
Pages: 13
Source title:
Antenna Design for Narrowband IoT: Design, Analysis, and Applications
Source Author(s)/Editor(s): Balachandra Pattanaik (Wollega University, Ethiopia), M. Saravanan (Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, India), U. Saravanakumar (Muthayammal Engineering College, India)and Ganesh Babu T R (Muthayammal Engineering College, India)
DOI: 10.4018/978-1-7998-9315-8.ch011
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Abstract
This chapter presents a compact patch antenna for backscattering application. The model utilizes a crossed slot etched on single layer low loss substrate. The dimensions of the radiating patch are tuned through parametric analysis of the model in order to improve cross-polarization (dB) isolation and the axial ratio beamwidth of the antenna, and the results are compared with other conventional antennas. The antenna attains an impedance characteristic of -17.65dB at 2.15GHz and -22.28 dB at 2.4GHz operating frequency and provides an impedance bandwidth (|S11|≤-10dB) of 60MHz ant both bands. The antenna achieves a maximum gain of 6.8dB at 2.15GHz and 7.3dB at 2.4GHz in the direction of propagation. The antenna also gives a cross-polarization (dB) of -12 dB for a wide beam angle. Finally, a good agreement has been obtained for using the proposed design for modern dual-band wireless backscattering applications.
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